CN217227951U - Flexible supporting device capable of adjusting position in all directions - Google Patents

Abstract

The application belongs to the technical field of comprehensive airplane support equipment, and particularly relates to a flexible supporting device for adjusting the position of an omnidirectional aircraft. Comprises a bracket (315) which is supported and arranged between an upper plate support and a lower plate support of the airtight flexible device (3); the airtight flexible device (3) comprises an upper top plate (31) and a lower bottom plate (36), wherein an annular inner flexible sealing plate (311) and an annular outer flexible sealing plate (312) are arranged between the upper top plate and the lower bottom plate, the inner flexible sealing plate and the outer flexible sealing plate are embedded with a reinforced fiber net, the inner flexible sealing plate and the outer flexible sealing plate are respectively connected with the upper top plate and the lower bottom plate in a sealing manner, and an air inlet nozzle (313) and an air release hole with an exhaust one-way valve (314) are arranged at the sealing position; the bottom end of the bracket (315) is fixed on the lower bottom plate (36), and the top end of the bracket (315) contacts the upper top plate (31). Automatic connection installation can be realized to this application, has improved dress efficiency of hanging greatly.

Description

Flexible supporting device capable of adjusting position in all directions

Technical Field

The application belongs to the technical field of comprehensive airplane support equipment, and particularly relates to a flexible supporting device for adjusting the position of an omnidirectional aircraft.

Background

When hanging or replacing the external weapon with larger weight, the height of the external object is often required to be adjusted, and the connection hole positions are coordinated quickly and accurately. At present, a bracket vehicle or a missile vehicle is adopted to carry an external hanging object to the position near a corresponding hanging point, then hanging point butt joint is carried out, if hanging point holes are not aligned, the bracket vehicle needs to be moved to adjust the position and the posture of the external hanging object, sometimes linear position adjustment and sometimes even angle posture adjustment are needed, and the adjustment process sometimes takes a long time.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the flexible supporting device with the omni-directional position adjustment is arranged between an external hanging object bracket and a movable supporting platform of a missile hanging vehicle, so that an external hanging object is in a free suspension state, an installation worker can manually adjust the position and the corner posture of a hanging joint of the external hanging object, the hole position is quickly aligned, and connection and installation are completed. When the flexible supporting device is not inflated, the plug-in bracket and the movable supporting platform are in a rigid supporting state, so that the stability of the plug-in the moving process is ensured.

The flexible supporting device capable of adjusting the omni-directional position comprises a support, wherein a support is arranged between an upper plate support and a lower plate support of an airtight flexible device;

the airtight flexible device comprises an upper top plate and a lower bottom plate, wherein an annular inner flexible sealing plate and an annular outer flexible sealing plate are arranged between the upper top plate and the lower bottom plate, the inner flexible sealing plate and the outer flexible sealing plate are embedded into a reinforced fiber net, the inner flexible sealing plate and the outer flexible sealing plate are respectively connected with the upper top plate and the lower bottom plate in a sealing manner, and an air inlet nozzle and an air release hole with an exhaust one-way valve are arranged at the sealing position;

wherein, the support bottom end is fixed on the bottom plate, and the support top contacts the roof.

Preferably, go up and be connected through inboard last sealed go-between roof and the inboard flexible seal board, it is fixed through inboard last clamp, go up and be connected through outside last sealed go-between roof and the outside flexible seal board, it is fixed through clamp on the outside, be connected through inboard lower sealed go-between lower plate and the inboard flexible seal board, it is fixed through inboard lower clamp, be connected through outside lower sealed go-between lower plate and the outside flexible seal board, it is fixed through outside lower clamp, suction nozzle and gassing hole set up on the inboard lower sealed go-between.

Preferably, a plurality of supports vertically extend to the center direction and are provided with supporting plates, the supporting plates are provided with lock holes at the circle centers, the upper top plate is provided with a positioning rod extending downwards at the center, when the airtight flexible device is not inflated, the tail ends of the positioning rods can extend into and penetrate through the lock holes of the supporting plates, when the airtight flexible device is inflated, the positioning rods move upwards along with the upper top plate, and the tail ends of the positioning rods can be pulled out from the lock holes of the supporting plates.

Preferably, when the airtight flexible device is not inflated, the tail end of the positioning rod is 25 mm away from the lower surface of the lock hole of the support plate.

Preferably, the supporting plate is provided with a fixing lock at the lock hole for locking the positioning rod at the lock hole.

Preferably, the lower end surface of the upper top plate is provided with a circular ring, and the upper end of the bracket is positioned in the circular ring.

Preferably, a limiting ring is arranged above the supporting plate, and the positioning rod is located in the limiting ring all the time.

Preferably, the inner flexible sealing plate and the outer flexible sealing plate are made of soft rubber plates or silicon plates.

When this application carries out heavy stores hanging dress and connects, can make stores in the free suspension state, installation operating personnel leans on the position and the corner gesture of the external attach fitting of manpower adjustment, aims at the hole site fast, accomplishes the connection installation, and this application can realize the automatic connection installation, improves greatly and hangs dress efficiency.

Drawings

FIG. 1 is a schematic view of a preferred embodiment of an aircraft external store trailer according to the present application.

Fig. 2 is a schematic structural diagram of a basic platform according to the embodiment shown in fig. 1.

Fig. 3 is a schematic structural view of a fixing support member of the lifting device of the present application.

Fig. 4 is a schematic structural diagram of the lifting device of the present application.

Fig. 5 is a schematic diagram of the movement principle of the lifting device of the present application.

Fig. 6 is a schematic view of the connection between the inner cylinder and the outer cylinder of the lifting device of the present application.

Fig. 7 is a schematic structural diagram of the airtight flexible device of the present application.

Fig. 8 is a schematic view of the connection of the airtight flexible device of the present application.

Fig. 9 is an enlarged view at i of the embodiment shown in fig. 8.

FIG. 10 is an enlarged view of FIG. 8 at point II.

Fig. 11 is a schematic view of the reinforcement web weaving of the present application.

Fig. 12 is a schematic structural view of the supporting device of the present application.

Fig. 13 is a schematic view of another preferred embodiment of the hanging vehicle for the external stores of the airplane.

Wherein, 1-a basic platform, 2-a lifting device, 3-an airtight flexible device and 4-an external hanging bracket;

11-a chassis, 12-a steering wheel, 13-a main wheel, 14-a ground foot, 15-an air pump, 16-a power supply and 17-a control panel;

21-a fixed support frame, 211-an outer cylinder body, 212-a bottom plate, 213-a guide groove, 214-a stud and 215-a fixed support column;

22-a movable support frame; 221-inner cylinder body, 222-lifting plate, 223-upper end plate, 224-guide column, 225-gear boss, 226-output gear, 227-transition joint;

31-upper top plate, 32-inner upper seal connecting ring, 33-outer upper seal connecting ring, 34-inner upper band, 35-outer upper band, 36-bottom plate, 37-inner lower seal connecting ring, 38-outer lower seal connecting ring, 39-inner lower band, 310-outer lower band, 311-inner flexible sealing plate, 312-outer flexible sealing plate, 313-air inlet nozzle, 314-exhaust check valve, 315-bracket, 316-support plate, 317-positioning rod, 318-locking hole, 319-fixing lock, 320-circular ring;

100-a motor chassis, 200-a lifting arm mechanism, 300-a supporting platform, 400-an airtight flexible device and 500-an external hanging object bracket.

Detailed Description

In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the accompanying drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are implementations that are part of this application and not all implementations. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application, and should not be construed as limiting the present application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application. Embodiments of the present application will be described in detail below with reference to the drawings.

A quick hanging and loading vehicle for an aircraft external store is shown in figure 1 and mainly comprises: the device comprises a base platform 1, a lifting device 2, an airtight flexible device 3 and an external hanging object bracket 4, wherein the lifting device 2 is arranged on the base platform 1, the airtight flexible device 3 is arranged on the lifting device 2 and moves up and down along with the lifting device 2, the bottom end of the external hanging object bracket 4 is connected onto an upper connecting plate of the airtight flexible device 3, and the top end of the external hanging object bracket 4 is provided with a supporting appearance which is matched with the external hanging object.

In the moving process of loading the outer hanging object by the trailer, the airtight flexible device is locked, and the basic platform provides rigid support for the outer hanging object bracket; when the holes are connected, the airtight flexible device is unlocked, and the plug-in object is in a free suspension state.

The application realizes the floating of the external hanging object through the airtight flexible device, thereby adjusting the position and the corner posture of the hanging joint of the external hanging object, quickly aligning the hole position and completing the connection and installation.

In some alternative embodiments, the base platform 1 is a movable lifting platform. In an alternative embodiment, the base platform 1 may also be a motorized platform with lifting arms. In the embodiment, if the external hanging object is closer to the airplane, a movable small lifting platform is selected, and a mechanical or hydraulic lifting device is used; if the external hanging object is far away from the airplane, the maneuvering platform with the lifting arm is selected.

When the base platform 1 is a movable lifting platform, in some alternative embodiments, as shown in fig. 2, the movable lifting platform includes a chassis 11, a steering wheel 12, a main wheel 13, and a foot 14, wherein the steering wheel 12 and the main wheel 13 are used for driving the chassis 11 to move and steer, and the foot 14 is used for supporting the chassis 11.

In the embodiment, the chassis is also used as a bearing and supporting structure of the whole hanging vehicle, and the bearing capacity of the chassis is determined according to requirements; the ground feet 14 serve as auxiliary supports, and after the trailer moves in place, the ground feet fall to the ground to prevent the lateral movement of the trailer body and provide the auxiliary supports.

In one embodiment, the chassis frame is 1200 mm long and 1000 mm wide, and a 2 mm thick steel plate is laid on the chassis frame; two steering wheels, two main wheels and two ground feet are arranged on the chassis, the bearing capacity is 1500 kilograms, 2-time safety factors are considered, and the distance between the upper surface of the chassis and the ground is 250 millimeters; and selecting a frame with proper height to be welded on the chassis frame to be used as a guardrail or a handrail. The chassis is also provided with an air pump 15 or an air storage bottle, a power supply 16 and a control panel 17, the air pump is used for supplying power to the airtight flexible device 3, the power supply and the control panel are respectively used for controlling the lifting platform, and the control panel can also be arranged on the frame. The gas cylinder, the power supply and the like are placed at the proper positions of the quick trailer, and the control panel is provided with a pressure gauge, a pressure control valve and a control key of a descending device.

As shown in fig. 3-6, in some alternative embodiments, the lifting device 2 includes a fixed support frame 21 and a movable support frame 22, the fixed support frame 21 includes an outer cylinder 211, the bottom end of the outer cylinder 211 has a bottom plate 212, the inner wall of the outer cylinder 211 has a guide slot 213, a vertically arranged stud 214 is fixed in the center of the bottom plate 212, the movable support frame 22 has an inner cylinder 221, the bottom end of the inner cylinder 221 has a lifting plate 222, the top end of the inner cylinder has an upper end plate 223, the outer wall of the inner cylinder 221 has a guide post 224 adapted to the guide slot 213, the center of the lifting plate 222 has a through hole, a gear boss 225 is rotatably connected in the through hole, the gear boss 225 is adapted to be screwed on the stud 214, and the outer end of the gear boss 225 engages with an output gear 226 of the servo motor through a gear;

wherein, the bottom plate 212 is fixed on the foundation platform 1, the upper end plate 223 is fixedly connected with the airtight flexible device 3, and the top end of the airtight flexible device 3 is connected with the outer hanging bracket 4.

In some optional embodiments, the through hole in the center of the lifting plate 222 is connected to the gear boss 225 through the transition joint 227, the transition joint 227 is a cylindrical structure, the cylindrical structure includes an upper annular surface and a lower annular surface, a space for accommodating the gear boss 225 is formed between the two annular surfaces, an outer ring of the upper annular surface of the transition joint 227 is fixed on an inner wall of the through hole in the center of the lifting plate 222, and an inner ring of the upper annular surface of the transition joint 227 is sleeved outside the stud 214.

In this embodiment, the inner wall surface of the upper ring surface of the transition joint 227 is sleeved on the gear boss, the threads at the center of the gear boss are matched with the stud, the outer wall surface of the upper ring surface of the transition joint 227 is connected with the movable support column through the connecting arm, the lower end of the movable support column is connected with the lifting plate, the lifting plate is provided with the servo motor, and the lifting plate, the upper top plate and the movable support column form a force bearing structure.

In this embodiment, the fixed support frame and the movable support frame are two independent force bearing structures, a vertical stud is welded at the center of the fixed support frame, a gear boss is arranged on the stud, threads are arranged at the center of the gear boss and are matched with the threads of the stud, the gear boss or the nut is driven by a servo motor and moves up and down along the stud, so that the lifting plate is driven to rise and fall, and the movable support frame also can rise and fall relative to the fixed support frame.

In the embodiment, the transition joint is a cylindrical structure with a connecting arm, a round hole is formed in the center of the upper end face of the transition joint, and the diameter of the round hole is larger than that of the stud; a cylinder of the transition joint is nested with the gear boss, and the diameter of the inner surface of the cylinder is slightly larger than that of the gear boss; and a roller or ball bearing is arranged between the upper end surface of the transition joint and the boss, so that the friction force is reduced.

In some optional embodiments, the fixed support frame 21 further includes a plurality of vertical fixed pillars 215 disposed on the bottom plate 212, the fixed pillars 215 are connected into a whole by a cross beam at a position close to the top end of the fixed support frame 21, and a plurality of first through holes for the fixed pillars 215 to pass through are correspondingly opened on the lifting plate 222 of the movable support frame 22.

In the embodiment, the four fixing pillars and the cross beam form a frame which is welded on the bottom plate, and a stud is arranged between the central point on the bottom plate and the cross point of the cross beam to form a bearing structure of the lifting device.

In some alternative embodiments, the lifting plate 222 is a circular steel plate, and a plurality of ears are spaced around the circumference of the circular steel plate, and the first through holes are disposed on the ears.

In some alternative embodiments, four guide grooves 213 are arranged on the inner wall of the outer cylinder 211, and are uniformly arranged at intervals of 90 ° on the circumference of the outer cylinder 211. In alternative embodiments, more guide slots 213 may be provided.

In some alternative embodiments, the lifting plate 222 and the upper end plate 223 of the inner cylinder 221 are connected by a movable support. For example, the lifting plate and the upper end plate are welded together through four movable supporting columns to form a force bearing structure of the movable supporting frame.

In this embodiment, the height of the aircraft outer hanging object is adjusted by using the lifting device to facilitate connection, the diameter of the stud is related to the bearing capacity of the whole device, and the thread lead angle of the stud and the number of revolutions of the motor determine the lifting speed.

In one embodiment, the bottom plate of the fixed support frame is a circular steel plate with the diameter of 600 mm and the thickness of 5 mm, a connecting hole is formed in the bottom plate and connected with the bottom plate frame, the cross sections of the four fixed supporting columns are square hollow pipes with the length of 550 mm, the side length of 25 mm and the wall thickness of 2 mm, the four fixed supporting columns and a cross beam forming frame are welded on the bottom plate, a stud is arranged between the center or circle center of the bottom plate and the cross point of the cross beam, and the diameter of the stud is 100 mm; the fixed side wall is a cylinder, the wall thickness is 2 mm, the bottom end of the cylinder is welded with the bottom plate, the upper end of the cylinder is open, the height of the upper end is slightly higher than a frame formed by the fixed supporting columns and the cross beam by 50 mm, and four guide rails in the height direction are arranged on the circumference of the fixed side wall at intervals of 90 degrees. The upper end plate of the movable support frame is 5 mm thick and 580 mm in diameter, and is welded with the upper end of the movable side wall, the outer diameter of the movable side wall is 580 mm, the wall thickness is 2 mm, four guide rail grooves are arranged on the circumference of the movable side wall at intervals of 90 degrees and are matched with four guide rails on the fixed side wall, and the upper end plate is connected with the connecting platform; the lifting plate is welded with the upper end plate through four movable supporting columns, the height of the four movable supporting columns is 520 mm, the side length of the square pipe is 25 mm, and the wall thickness is 2 mm. Fabrication holes can be formed in the middle of the upper end plate and on the side wall of the movable support frame.

The lifting plate is a circular steel plate, the thickness of the lifting plate is 5 mm, four ears are arranged on the circumference of the lifting plate at intervals of 90 degrees, and square holes are formed in the ears and can slide along the fixed support columns of the fixed support frame; the diameter of a circle formed by the outer edges of four ears on the lifting plate is 550 mm, the distance between the centers of the holes above the ears is 490 mm, the span of the fixed support is 520 mm, and the diameter of the lifting plate is 460 mm; the center of the lifting plate is provided with a round hole, and the diameter of the round hole is 150 mm. A servo motor is arranged on the lifting plate, a gear is arranged at the output end of the servo motor, and the boss of the driving gear is lifted along the stud; the middle of the gear boss is provided with threads which are matched with the stud, and the diameter of the boss is 240 mm in order to improve the eccentric swing prevention capacity of the lifting device.

The thickness of the upper end surface of the transition joint is 5 mm, the diameter of a circular hole at the center is 150 mm, and the diameter of the outer edge is 270 mm; the cylindrical side wall of the transition joint is nested with the boss, and a roller or a ball bearing is arranged between the upper end surface of the transition joint and the boss; the inner surface diameter of the side wall of the transition joint cylinder is 242 mm, the outer surface diameter is 270 mm, the height of the side wall of the transition joint cylinder is determined according to the height of the boss and the size of the bearing roller, and a gap of 2 mm is reserved between the upper surface of the annular pressing plate and the lower surface of the boss; the inner ring diameter of the annular pressure plate is 210 mm, the outer ring diameter is 270 mm, and the thickness is 5 mm. The end point of the transition joint connecting arm is welded with the movable support column, the servo motor and the output end gear are installed, and then the lifting plate is connected with the movable support column and the fixed support frame is assembled with the movable support frame. When the height of the lifting device needs to be adjusted, the servo motor drives the gear boss to ascend or descend along the stud, and the transition joint drives the lifting plate and the movable support frame to ascend or descend along with the gear boss.

The fixed support frame and the movable support frame of the embodiment adopt a two-section nesting mode, the height of the support frame is determined according to the predicted lifting height, and the height is 500 mm in the embodiment.

The airtight flexible device 3 is arranged between a mobile supporting platform of an external hanging object hanging vehicle and an external hanging object bracket, so that the external hanging object is in a free suspension state; the flexible device main body is a circular airtight flexible structure and mainly comprises an upper top plate, a lower bottom plate, a flexible sealing plate, a supporting device, a deviation correcting device and the like. When the flexible device is not inflated, the supporting device enables the plug-in bracket and the movable supporting platform to be in a rigid supporting state, so that the stability of the plug-in the moving process is ensured; in the process of inflating the flexible device, the flexible sealing plate only generates the deformation in the axial direction, namely the height direction, when the lifting force generated by the air pressure resultant force is larger than the weight of the hung object including the bracket, the hung object is in a suspension state, and the deviation-correcting device can prevent the gravity center of the hung object from deviating from the support center

As shown in fig. 7-10, in some alternative embodiments, the airtight flexible device 3 includes an upper top plate 31 and a lower bottom plate 36, an annular inner flexible sealing plate 311 and an annular outer flexible sealing plate 312 are disposed between the upper top plate 31 and the lower bottom plate 36, the inner flexible sealing plate 311 and the outer flexible sealing plate 312 are embedded with a reinforcing fiber net, the inner flexible sealing plate 311 and the outer flexible sealing plate 312 are respectively connected with the upper top plate 31 and the lower bottom plate 36 in a sealing manner, and an air inlet nozzle 313 and an air outlet hole having an air outlet check valve 314 are disposed at the sealing position. The air inlet nozzle 313 is a joint which is arranged close to the lower bottom plate and is connected with a pressure gauge.

In some alternative embodiments, the upper top plate 31 is connected to the inner flexible sealing plate 311 by an inner upper sealing connecting ring 32 and fixed by an inner upper clamp 34, the upper top plate 31 is connected to the outer flexible sealing plate 312 by an outer upper sealing connecting ring 33 and fixed by an outer upper clamp 35, the lower plate 36 is connected to the inner flexible sealing plate 311 by an inner lower sealing connecting ring 37 and fixed by an inner lower clamp 39, the lower plate 36 is connected to the outer flexible sealing plate 312 by an outer lower sealing connecting ring 38 and fixed by an outer lower clamp 310, and the air inlet nozzle 313 and the air outlet are disposed on the inner lower sealing connecting ring 37.

In this embodiment, the inner seal connecting ring and the outer seal connecting ring are connected to the corresponding upper top plate and the lower bottom plate, and can be connected by welding or mechanical connection to ensure the sealing of the connecting surface; the sealing connecting ring is provided with a sealing clamping groove, the inner side flexible sealing plate is fixed to the inner side sealing connecting ring through the inner side hoop, and then the outer side flexible sealing plate is fixed to the outer side sealing connecting ring through the outer side hoop.

In a specific embodiment, the upper top plate and the lower bottom plate of the flexible supporting structure are made of circular aluminum plates with the thickness of 5 mm and the diameter of 600 mm, and the height between the upper top plate and the lower bottom plate is 300 mm; the diameter of the ring of the inner side sealing connecting ring is 300 mm, the diameter of the ring of the outer side sealing connecting ring is 500 mm, the height of the two sealing connecting rings on the upper side is 25 mm, the thickness of the two sealing connecting rings is 2.5 mm, the width of the flanging is 20 mm, a groove is arranged at the position 15 mm away from the flanging, the flexible sealing plate is clamped by a hoop, the width of the hoop is 10 mm, the flanging is connected with the upper top plate in a sealing manner by a sealing rubber ring, and if a welding mode is adopted, the flanging is not needed; the height of the sealing connection ring at the lower side is 55 mm, the thickness of the sealing connection ring is 2.5 mm, a groove is arranged at the position 45 mm away from the flanging, the flexible sealing plate is clamped by a clamp, and the width of the clamp is 10 mm; the flanging is 20 mm wide, and the flanging is connected with the lower bottom plate in a sealing way by a sealing rubber ring; an exhaust valve with the diameter of 30 mm, an air inlet nozzle with the diameter of 10 mm and a pressure gauge joint nozzle are arranged at the position, close to the flanging, of the side wall of the inner lower sealing connecting ring.

In some alternative embodiments, the inner flexible sealing plate 311 and the outer flexible sealing plate 312 are made of soft rubber plate or silicon plate.

In some alternative embodiments, as shown in fig. 11, the fibrous material of the reinforcing fiber web is steel wires, woven at a weave angle of ± 20 ° from the circumferential line.

In a specific embodiment, the flexible sealing plate is made of soft rubber or silica gel material, the thickness of the rubber plate is 3 mm, a reinforcing fiber net is embedded in the middle of the plate surface, the fiber material is a steel wire with the diameter of 0.15 mm, the steel wire is woven according to a weaving angle of +/-20 degrees with a circumferential line, the fiber interval of the same laying angle is 3 mm, negative angle fibers and positive angle fibers are arranged in a staggered mode, and in order to prevent the rubber material from cracking or bulging at gaps of grids after pressurization, two layers of metal nets woven according to the requirements are embedded in the soft rubber plate; the sealing connecting ring is provided with a sealing clamping groove, the inner side flexible sealing plate is fixed to the inner side sealing connecting ring through the inner side hoop, and then the outer side flexible sealing plate is fixed to the outer side sealing connecting ring through the outer side hoop.

As shown in fig. 12, in some alternative embodiments, a supporting device is further disposed between the upper top plate 31 and the lower bottom plate 36, the supporting device includes a bracket 315, the bottom end of the bracket 315 is fixed on the lower bottom plate 36, and the top end of the bracket 315 contacts the upper top plate 31.

When the airtight flexible apparatus 3 is not inflated, the present application supports the upper top plate 31 on the lower bottom plate 36 by means of the bracket 315.

In some alternative embodiments, the plurality of brackets 315 have a supporting plate 316 extending perpendicularly toward the center, the supporting plate 316 has a locking hole 318 at the center, the upper plate 31 has a positioning rod 317 extending downward at the center, when the airtight flexible device 3 is not inflated, the end of the positioning rod 317 can extend into and pass through the locking hole 318 of the supporting plate 316, when the airtight flexible device 3 is inflated, the positioning rod 317 moves upward along with the upper plate 31, and the end of the positioning rod 317 can be pulled out from the locking hole 318 of the supporting plate 316.

In one embodiment, when the airtight flexible device 3 is not inflated, the distal end, i.e., the free end, of the positioning rod 317 is 25 mm from the lower surface of the locking hole 318 of the support plate 316.

In some alternative embodiments, the support plate 316 is provided with a securing lock 319 at the locking hole 318 for locking the positioning rod 317 at the locking hole 318.

In one embodiment, the support is designed into a square tube with four legs with the side length of 20 mm and the wall thickness of 2.5 mm on the same circumference, for example, the square tube is separated by 90 degrees or designed into a circular ring with the wall thickness of 2 mm, the radius of the circumference is 75 mm, one end of each leg is fixed on the lower bottom plate, and the other end of each leg is contacted with the lower surface of the support plate; the supporting plate is a circular ring made of a 4 mm thick aluminum plate, the inner radius is 65 mm, and the outer radius is 85 mm; the circular plate with the lock hole is 3 mm thick and is fixed at a position 120 mm away from the upper top plate, the circle center is provided with the lock hole and a fixed lock, preferably a magnetic lock, the radius of the lock hole is 11 mm, and after the positioning rod passes through the lock hole, the positioning rod is locked at the end of the positioning rod; the radius of the locating rod is 10 mm, the locating rod is welded at the central position of the lower surface of the upper top plate, and when the sealing flexible structure is not inflated, the free end of the locating rod is 25 mm away from the lower surface of the supporting plate.

When the support is cylindrical, the diameter of the cylinder is 150 mm, the wall thickness is 3 mm, the height is 297 mm, one end of the support is welded on the lower bottom plate, the other end of the support is welded with an annular belt plate, the thickness of the annular belt plate is 3 mm, the outer diameter is 160 mm, the inner diameter is 130 mm, and the lower surface of the upper top plate can fall on the upper surface of the annular belt plate; the support is connected with a support plate, the support plate is an aluminum plate with the thickness of 3 mm, the diameter of the support plate is the same as the inner diameter of a support cylinder, the distance between the support plate and the upper top plate is 120 mm, a lock hole and a fixed lock are arranged at the circle center, the radius of the lock hole is 11 mm, and after a positioning rod penetrates through the lock hole, the positioning rod is locked at the end of the positioning rod; the radius of the locating rod is 10 mm, the locating rod is welded at the central position of the lower surface of the upper top plate, and when the airtight flexible structure is not inflated, the free end of the locating rod is 25 mm away from the lower surface of the circular plate.

The center of the lower plate 36 can be provided with a round hole as a channel of a lead and a pipeline, and an air inlet and an air vent on the side face of the lower sealing connecting ring on the inner side are connected with a pressure gauge, a pressure control valve and an air bottle. The connection holes between the lower bottom plate 36 and the connection plate 17 and between the upper top plate 31 and the lower face of the bracket 4 are selected in the range inside the inner seal connection ring and outside the outer seal connection ring.

In some alternative embodiments, the lower end surface of the upper top plate 31 is provided with a circular ring 320, and the upper end of the bracket 315 is located in the circular ring 320.

In some alternative embodiments, a retaining ring is disposed above the support plate 316, and the positioning rod 317 is located within the retaining ring throughout.

This application forms deviation correcting device through ring 320 or spacing ring, and when the spacing ring was as deviation correcting device, it was a welded ring in the backup pad, and height 60 millimeters, diameter are less than 130 millimeters.

When the quick hanging and loading vehicle for the aircraft external stores carries out external store hanging and loading operation, the external stores are firstly placed on the bracket, at the moment, the airtight flexible structure is not inflated, and the bracket is rigidly connected with the base platform; moving the trailer to the position near the hanging point of the airplane, and adjusting the lifting platform to enable the connecting joint of the hanging object to be close to the hanging joint of the hanging point of the airplane; the ground feet are put down to prevent the trailer from moving laterally; then the magnetic lock of the supporting device on the airtight flexible structure is unlocked, and the airtight flexible structure is pressurized. When the lifting force of the airtight flexible structure is larger than the sum of the weight of the external hanging object and the weight of the bracket, the airtight flexible structure starts to lift the external hanging object, the positioning rod is continuously pressurized to be separated from the lock hole, the external hanging object is in a free suspension state at the moment, an installation operator can manually adjust the position and the corner posture of the hanging joint of the external hanging object to quickly align with the hole position, and connection and installation are completed.

Estimating the working pressure of the flexible device according to the weight of the hung object, wherein F is S multiplied by p, wherein F is the lifting force and the unit is kilogram; s ═ pi (R) ² _{Outer cover} -R ² _{Inner part} ) Is the circumferential cross-sectional area of the flexible device in square millimeters; p is the inflation pressure, 1 atmosphere corresponds to 0.01 kg/mm. When the lifting force F is larger than the sum of the weight of the external hanging object and the weight of the bracket, the flexible device starts to lift the external hanging object, the pressure is continuously charged to enable the positioning rod of the supporting device to be separated from the lock hole, and the external hanging object is in a free suspension state.

In the case of the scheme, the radius of the outer sealing connecting ring is 250 mm, the radius of the inner sealing connecting ring is 150 mm, the area 125600 square mm of the circumferential section of the circular ring corresponds to 0.01 kg/square mm under 1 atmosphere, and the lifting force is 1256 kg when the internal pressure of 1 atmosphere is filled according to the condition that F is S multiplied by p. According to the weight of the outer hanging object, the inflation pressure of the positioning rod which is pulled out of the lock hole and supports the outer hanging object can be estimated.

When the external hanging object is detached, the trailer is moved to the position below the corresponding external hanging object, the ground feet are supported, the lifting platform is adjusted to enable the bracket to be at a proper height, the magnetic lock is unlocked, the airtight flexible structure is pressurized according to the estimated pressure intensity according to the weight of the external hanging object, the interaction force between the connecting joints is reduced, and the connecting piece is detached; after the outer thing that hangs fell on the bracket, reduced lift platform's height, opened airtight flexible construction's discharge valve simultaneously, after the bracing piece fell in the backup pad, the locating lever was locked to the magnetic lock. The ground feet can be lifted at the moment, and the missile hanging vehicle is moved away.

In some alternative embodiments, the aircraft external store quick-loading vehicle may select the base platform as a mobile platform with a lifting arm, so as to save the lifting device 2, as shown in fig. 13, and the aircraft external store quick-loading vehicle includes: the mobile chassis 100, the lifting arm mechanism 200, the supporting platform 300, the airtight flexible device 400 and the external hanging object bracket 500 are formed, one end of the lifting arm mechanism 200 is connected with the mobile chassis 100, the other end of the lifting arm mechanism 200 is connected with the supporting platform 300, the lifting arm mechanism 200 is used for controlling the supporting platform 300 to move up and down and back and forth relative to the mobile chassis 100, the airtight flexible device 400 is arranged on the supporting platform 300, the bottom end of the external hanging object bracket 500 is connected to an upper connecting plate of the airtight flexible device 400, and the top end of the external hanging object bracket 500 is provided with a supporting appearance which is matched with the external hanging object.

In some alternative embodiments, the lift arm mechanism 200 is coupled to the support platform 300 by a rotating shaft.

In the embodiment, the motor chassis vehicle is a main supporting structure of an aircraft external hanging object hanging vehicle and can flexibly move in a plane; the movable end that holds in the palm and lift arm mechanism has supporting platform, lifts the in-process of arm height at the adjustment support, and supporting platform remains the horizontality throughout, sets up the support base on the supporting platform, can rotate around the vertical axis of supporting platform self.

In the embodiment, the models and the sizes of the motor chassis truck and the lifting arm mechanism are selected according to the weight range and the hanging height of a hanging object, the length of the lifting arm is adjustable, the supporting platform is connected to the front end of the lifting arm, the supporting platform is always in a horizontal state in the lifting process, and the lifting arm and the supporting platform cannot shield the sight of an operator or a driver; and a supporting bottom plate on the supporting platform is driven by a servo motor to rotate around the vertical axis of the supporting platform. The supporting bottom plate is connected with the lower bottom plate of the flexible supporting device.

The airtight flexible device 400 and the plug-in bracket 500 are similar to the other embodiments and will not be described in detail.

When the quick hanging and loading vehicle for the aircraft external stores provided by the embodiment carries out external store hanging and loading operation, the external stores are firstly placed on the bracket, and the lifting arm is adjusted by moving the mounting vehicle to enable the hanging joint of the external stores to be close to the hanging joint of the aircraft hanging point; and (3) pressurizing the airtight flexible structure, when the inflation pressure reaches 0.8 atmosphere, the lifting force is 1000 kilograms, unlocking the fixed lock, continuing pressurizing, releasing the positioning rod from the lock hole, and keeping the external hanging object in a free suspension state. And manually adjusting the position and the corner posture of the hanging joint of the external hanging object in a matching way, and quickly aligning to the hole position to finish the connection and installation.

When the operation of disassembling the external hanging objects is carried out, the mounting vehicle is moved to the lower side of the corresponding external hanging object, the lifting arm is adjusted to enable the bracket to support the external hanging objects, the magnetic lock is unlocked, the flexible support is pressurized according to the estimated pressure intensity, such as 0.8 atmosphere, according to the weight of the external hanging objects, the interaction force between the connecting joints is reduced, and then the connecting joints are disassembled; after the outer hanging object falls on the bracket, the exhaust valve of the flexible supporting device is opened, the height of the lifting arm is reduced, the magnetic lock locks the positioning rod, and the mounting vehicle is moved away.

Although the present application has been described in detail with respect to the general description and specific embodiments, it will be apparent to those skilled in the art that certain modifications or improvements may be made based on the present application. Accordingly, such modifications and improvements are intended to be within the scope of this invention as claimed.

Claims (8)

1. The flexible supporting device capable of adjusting the omni-directional position is characterized by comprising a support (315), wherein the support (315) is supported and arranged between an upper plate support and a lower plate support of an airtight flexible device (3);

the airtight flexible device (3) comprises an upper top plate (31) and a lower bottom plate (36), an annular inner flexible sealing plate (311) and an annular outer flexible sealing plate (312) are arranged between the upper top plate (31) and the lower bottom plate (36), the inner flexible sealing plate (311) and the outer flexible sealing plate (312) are embedded with a reinforcing fiber net, the inner flexible sealing plate (311) and the outer flexible sealing plate (312) are respectively connected with the upper top plate (31) and the lower bottom plate (36) in a sealing mode, and an air inlet nozzle (313) and an air release hole with an exhaust one-way valve (314) are arranged at the sealing position;

wherein, the bottom end of the bracket (315) is fixed on the lower bottom plate (36), and the top end of the bracket (315) contacts the upper top plate (31).

2. The omni-directional position adjustment flexible support device according to claim 1, wherein the upper top plate (31) is connected to the inner flexible sealing plate (311) by an inner upper sealing connection ring (32) and fixed by an inner upper clamp (34), the upper top plate (31) is connected to the outer flexible sealing plate (312) by an outer upper sealing connection ring (33) and fixed by an outer upper clamp (35), the lower bottom plate (36) is connected to the inner flexible sealing plate (311) by an inner lower sealing connection ring (37) and fixed by an inner lower clamp (39), the lower bottom plate (36) is connected to the outer flexible sealing plate (312) by an outer lower sealing connection ring (38) and fixed by an outer lower clamp (310), and the air inlet nozzle (313) and the air outlet are provided on the inner lower sealing connection ring (37).

3. The flexible supporting device for omnidirectional position adjustment according to claim 2, wherein a supporting plate (316) vertically extends from the plurality of supporting frames (315) to the center, the supporting plate (316) has a locking hole (318) at the center, the upper top plate (31) has a positioning rod (317) extending downward at the center, when the airtight flexible device (3) is not inflated, the end of the positioning rod (317) can extend into and pass through the locking hole (318) of the supporting plate (316), when the airtight flexible device (3) is inflated, the positioning rod (317) moves upward along with the upper top plate (31), and the end of the positioning rod (317) can be pulled out from the locking hole (318) of the supporting plate (316).

4. An omni-directional position adjustment flexible support device according to claim 2, wherein the end of the positioning rod (317) is spaced 25 mm from the lower surface of the locking hole (318) of the support plate (316) when the airtight flexible device (3) is not inflated.

5. An omni-directional position adjusted flexible support device according to claim 3, wherein the support plate (316) is provided with a fixing lock (319) at the locking hole (318) for locking the securing lever (317) at the locking hole (318).

6. An omni-directional position adjusted flexible support device according to claim 5, wherein the lower end surface of the upper top plate (31) is provided with a circular ring (320), and the upper end of the bracket (315) is located in the circular ring (320).

7. An omni-directional position adjusted flexible support device according to claim 5, characterized in that a stop collar is provided above the support plate (316), and the positioning rod (317) is located in the stop collar all the way through.

8. The omni-directional position adjustment flexible support device according to claim 2, wherein the inner flexible sealing plate (311) and the outer flexible sealing plate (312) are made of soft rubber plate or silicon plate, a reinforcing fiber net is embedded in the middle, and a fiber material is made of thin steel wires and woven at a weaving angle of ± 20 ° with respect to the circumferential line.

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